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Finding the Fourth Proportional to 176,998.80, 265,060.80 and 117,512.40

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Solution

The fourth proportional to 176,998.80, 265,060.80 and 117,512.40 is: 175,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,998.80 : 265,060.80 = 117,512.40 : x
  2. Step 2: Convert to fraction form
    176,998.80/265,060.80 = 117,512.40/x
  3. Step 3: Cross multiply
    176,998.80x = 265,060.80 × 117,512.40
  4. Step 4: Simplify right side
    176,998.80x = 31,147,930,753.92
  5. Step 5: Solve for x
    x = 31,147,930,753.92/176,998.80
  6. Step 6: Final answer
    x = 175,978.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.